#include "view.hpp"

#include <userver/formats/json.hpp>
#include <userver/logging/log.hpp>
#include <userver/utils/datetime.hpp>
#include <userver/ydb/table.hpp>

namespace sample {

formats::json::
    Value
    Upsert2RowsHandler::HandleRequestJsonThrow(const server::http::HttpRequest& http_request, const formats::json::Value& request, server::request::RequestContext&) const {
    http_request.GetHttpResponse().SetContentType(http::content_type::kApplicationJson);
    static const ydb::Query kUpsertQuery{
        R"(
--!syntax_v1
DECLARE $id_key AS String;
DECLARE $name_key AS Utf8;
DECLARE $service_key AS String;
DECLARE $channel_key AS Int64;
DECLARE $state_key AS Json?;

UPSERT INTO events (id, name, service, channel, created, state)
VALUES ($id_key, $name_key, $service_key, $channel_key, CurrentUtcTimestamp(), $state_key);
      )",
        ydb::Query::NameLiteral{"upsert-2rows"},
        ydb::Query::LogMode::kNameOnly,
    };

    auto trx = Ydb().Begin("trx", ydb::TransactionMode::kSerializableRW);

    for (auto i : {1, 2}) {
        auto response = trx.Execute(
            kUpsertQuery,  //
            "$id_key",
            request["id"].As<std::string>() + std::to_string(i),  //
            "$name_key",
            ydb::Utf8{request["name"].As<std::string>() + std::to_string(i)},  //
            "$service_key",
            request["service"].As<std::string>(),  //
            "$channel_key",
            request["channel"].As<int64_t>(),  //
            "$state_key",
            request["state"].As<std::optional<formats::json::Value>>()  //
        );

        if (response.GetCursorCount() != 0) {
            throw std::runtime_error("Unexpected response data");
        }
    }

    trx.Commit();

    return formats::json::MakeObject();
}

}  // namespace sample
